Note 10 - Commitments, Guarantees, and Contingent Liabilities (Detail) - FHLB Advances (USD $) In Thousands, unless otherwise specified	Oct. 03, 2012	May 17, 2012
Amount of advance (in Dollars)	$ 50,000	$ 200,000
Interest rate	1.77%	2.05%
Expected settlement date	Oct. 03, 2014	May 19, 2014
Maturity date	Oct. 03, 2019	May 20, 2019

Interest rate stated in the contractual debt agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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